PIB NOMINAL y PIB REAL - Explicado para principiantes!
GDP and Real GDP Understanding the Difference
In this video, we will explore the concept of GDP (Gross Domestic Product) and its relationship to real GDP. We will learn how GDP is calculated, the impact of inflation on nominal GDP, and why economists focus on real GDP for studying economic growth and quality of life.
The Role of GDP in Measuring Production and Quality of Life
- GDP allows us to measure a country's production and quality of life in monetary units.
- When GDP grows, it indicates an increase in production and an improvement in quality of life.
Nominal vs Real GDP
- Nominal GDP is obtained by adding the prices of finished products produced in a country.
- It is affected by inflation, meaning that if prices increase, nominal GDP also increases regardless of actual production changes.
- Real GDP represents true economic growth achieved through increased production or producing higher-value goods.
Calculating Nominal and Real GDP
- Nominal GDP uses current prices for each year, while real GDP uses a constant price for all years under study.
- For example, consider a country that produces only chairs:
- In year 1: 45 chairs were produced at $1 per unit.
- In year 2: 50 chairs were produced at $2 per unit.
- Nominal GDP calculations:
- Year 1: 45 x $1 = $45
- Year 2: 50 x $2 = $100
- Real GDP calculations (using base price $1):
- Year 1: 45 x $1 = $45
- Year 2: 50 x $1 = $50
Understanding the Difference between Nominal and Real GDP
- Nominal GDP may show a higher percentage increase compared to real GDP due to price changes.
- Real GDP reflects true economic growth, while nominal GDP includes the impact of inflation.
Quality of Life and Population Growth
- Real GDP alone does not indicate an improvement in quality of life.
- Population growth must be considered when assessing quality of life.
- Quality of life can be measured by dividing real GDP by the number of inhabitants, known as real GDP per capita.
Impact on Quality of Life in Example Scenario
- In our example, although real GDP increased between year 1 and year 2, real GDP per capita remained the same at $0.05.
- This suggests that the increase in production was directly proportional to population growth, without improving individual quality of life.
Conclusion
- Nominal GDP is calculated using current prices, while real GDP uses a constant price for all years.
- Economists focus on real GDP for studying economic growth and quality of life.
- Real GDP per capita is used to measure variations in quality of life.